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十五、在类里面定义自己的对象好像没什么意义

来源:欧得旅游网
package xy;

public class Point {
	public int a;
	public int b;
	public Point x;
	public Point y;
	public Point() {
		super();
		// TODO Auto-generated constructor stub
	}
	public Point(int a, int b, Point x, Point y) {
		super();
		this.a = a;
		this.b = b;
		this.x = x;
		this.y = y;
	}
	public int getA() {
		return a;
	}
	public void setA(int a) {
		this.a = a;
	}
	public int getB() {
		return b;
	}
	public void setB(int b) {
		this.b = b;
	}
	public Point getX() {
		return x;
	}
	public void setX(Point x) {
		this.x = x;
	}
	public Point getY() {
		return y;
	}
	public void setY(Point y) {
		this.y = y;
	}
	public int getX1() {
		int sum=a+b;
		
		return sum;	
	}
	public int setX1() {
		int su=a-b;
		
		return su;	
	}
}
package xy;

public class Test {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Point point = new Point();
		point.setA(0);
		System.out.println(point.getA());
		System.out.println(point.getA());
		Point p=new Point();
		p.setA(3);
		p.setB(9);
		System.out.println(p.getX1());
		System.out.println(p.setX1());
	}

}
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